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ABHISHEK KUMAR MD
NPI 1043847114
Radiology - Radiation Oncology in Cerritos, CA

Active since March 26, 2020PECOS EnrolledAccepts Medicare Assignment
18000 STUDEBAKER RD STE 800, CERRITOS, CA 90703(562) 735-3226(833) 438-9659 Get Directions Write a Review

NPPES record last updated: July 28, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Abhishek Kumar Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ABHISHEK KUMAR MD (NPI 1043847114) is an individual radiation oncology provider in Cerritos, California, licensed in California (A195171) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS, maintains a secondary practice location in Westminster, and is a graduate of Other (2020).

NPPES Registry Identity

NPI1043847114
Entity TypeIndividualMale
Primary Taxonomy2085R0001X
Provider Legal NameABHISHEK KUMARCredential: MD
Location Address18000 STUDEBAKER RD STE 800Cerritos, CA 90703-2671
Mailing Address18000 Studebaker Rd Ste 800Cerritos, CA 90703-2671 · (562) 735-3226 · Fax (833) 438-9659
Phone(562) 735-3226
Fax(833) 438-9659
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateMarch 26, 2020
Last NPPES UpdateJuly 28, 2025
NPPES CertifiedJuly 28, 2025
✔ NPI 1043847114 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0001X
Licenses✔ Licensed in CA · A195171✔ Licensed in NC · RTL21-1087
Definition
A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.
18000 STUDEBAKER RD STE 800, Cerritos, CA 90703
Open in Google Maps ↗

Secondary Practice Location 1

Location 115262 Goldenwest StWestminster, CA 92683-6169 · Phone (714) 430-3865 · Fax (833) 412-0480

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Abhishek Kumar Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8022413772
PECOS Enrollment IDI20250714001813
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Abhishek Kumar reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Starling Oncology Ca, A Professional Corporation
5.1 mi
Hematology & Oncology
11525 BROOKSHIRE AVE STE 202
Downey, CA 90241
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: The Oncology Institute Ca, A Professional Corporation
  • 110 clinicians in this Medicare group
NPI 1275651515 (562) 869-1201

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90703 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$187.60 typical visit price
range $62.96 – $187.60
Typical copayment $46.90 (range $15.74 – $46.90)
Most-billed visit code 99205
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. ARLENE LEDESMA YU MD, MBA
Internal Medicine (Medical Oncology)
18000 STUDEBAKER RD STE 800
CERRITOS, CA 90703
Los Angeles County (562) 735-3226
JOSEPHINE ASSINI-STRUCK
Nurse Practitioner (Acute Care)
18000 STUDEBAKER RD STE 800
CERRITOS, CA 90703
Los Angeles County (562) 735-3226
MR. SAIFUDDIN TALIB FNP
Nurse Practitioner (Family)
18000 STUDEBAKER RD STE 800
CERRITOS, CA 90703
Los Angeles County (562) 735-3226
LOUIS SITHU
Nurse Practitioner (Primary Care)
18000 STUDEBAKER RD STE 800
CERRITOS, CA 90703
Los Angeles County (562) 735-3226
MS. ALICIA ANN ALEXANDER MS,PA-C
Physician Assistant
18000 STUDEBAKER RD STE 800
CERRITOS, CA 90703
Los Angeles County (562) 735-3226
JUAN E SANCHEZ MD
Internal Medicine (Hematology & Oncology)
18000 STUDEBAKER RD STE 800
CERRITOS, CA 90703
Los Angeles County (562) 735-3226
DR. WILBUR N MONTANA DO
Internal Medicine (Hematology & Oncology)
18000 STUDEBAKER RD STE 800
CERRITOS, CA 90703
Los Angeles County (562) 735-3226
DR. NAWAZISH ALI KHAN MD
Internal Medicine (Medical Oncology)
18000 STUDEBAKER RD STE 800
CERRITOS, CA 90703
Los Angeles County (562) 735-3226

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Abhishek Kumar's NPI number?

The NPI number for Abhishek Kumar is 1043847114. It was assigned to this individual provider in the NPPES registry on March 26, 2020.

Where is Abhishek Kumar located?

Abhishek Kumar practices at 18000 Studebaker Rd Ste 800, Cerritos, CA 90703. The listed phone number is (562) 735-3226.

What is Abhishek Kumar's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is Abhishek Kumar enrolled in Medicare?

Yes. Abhishek Kumar is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Abhishek Kumar's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Abhishek Kumar reassigns Medicare benefits to Starling Oncology Ca, A Professional Corporation (Downey, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Abhishek Kumar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Abhishek Kumar accept?

Health plans from UnitedHealthcare list Abhishek Kumar as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Abhishek Kumar was last updated on July 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.